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use log::info;
use rusqlite;
use std::time;
const DB_PATH: &str = "/tmp/clinte.db";
#[derive(Debug)]
pub struct Post {
pub id: u32,
pub title: String,
pub author: String,
pub body: String,
}
#[derive(Debug)]
pub struct Conn {
pub conn: rusqlite::Connection,
}
#[derive(Debug)]
pub enum Cmd {
Create(Post),
Update(Post),
Disconnect,
NOOP,
}
impl Conn {
fn init() -> rusqlite::Connection {
let start = time::Instant::now();
info!("Connecting to database");
let conn = rusqlite::Connection::open_with_flags(
DB_PATH,
rusqlite::OpenFlags::SQLITE_OPEN_FULL_MUTEX
| rusqlite::OpenFlags::SQLITE_OPEN_CREATE
| rusqlite::OpenFlags::SQLITE_OPEN_READ_WRITE,
)
.expect("Could not connect to DB");
conn.execute(
"CREATE TABLE IF NOT EXISTS posts (
id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
title TEXT NOT NULL,
author TEXT NOT NULL,
body TEXT NOT NULL
)",
rusqlite::NO_PARAMS,
)
.expect("Could not initialize DB");
info!(
"Database connection established in {}ms",
start.elapsed().as_millis()
);
conn
}
pub fn new() -> Self {
Conn { conn: Conn::init() }
}
}
impl Cmd {
pub fn new(txt: &str, post: Post) -> Self {
match txt {
"create" => Cmd::Create(post),
"update" => Cmd::Update(post),
"disconnect" => Cmd::Disconnect,
_ => Cmd::NOOP,
}
}
}
impl Post {
pub fn new(title: &str, author: &str, body: &str) -> Self {
let id = 0;
let title = title.to_string();
let author = author.to_string();
let body = body.to_string();
Post {
id,
title,
author,
body,
}
}
}
|